What is the cheapest airline that flies from Nashville Intl to Idaho?

United Airlines, Delta, and American Airlines are the most popular carriers operating from Nashville Intl to Idaho

What airlines fly to Idaho?

Delta, Southwest and American Airlines are the top three most popular airlines that fly to Idaho from Nashville according to our data. Delta is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 6 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Nashville Intl Airport to Idaho?

Prices for flights from Nashville Intl Airport to Idaho were last updated today.

How many operators does momondo search for flights from Nashville Intl Airport to Idaho?

As of March 2026, there are 6 operators available to choose from for flights from Nashville Intl Airport to Idaho.

How old do you have to be to fly from Nashville Intl Airport to Idaho?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Nashville Intl Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$149 Cheap Flights from Nashville to Idaho in 2026

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Find the cheapest flights from Nashville to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 2:49 pm

BNA

GEG

9h 49m

1 stop

1:11 pm - 12:15 am

GEG

BNA

9h 04m

1 stop

$267Delta

Wed, May 6 - Wed, May 20

4:58 pm - 11:46 pm

BNA

BOI

7h 48m

1 stop

3:44 pm - 11:59 pm

BOI

BNA

7h 15m

1 stop

$267Delta

Fri, Apr 10 - Tue, Apr 14

6:15 am - 10:15 am

BNA

GEG

6h 00m

1 stop

2:25 pm - 11:05 pm

GEG

BNA

6h 40m

1 stop

$297Southwest

Wed, Apr 15 - Tue, Apr 21

5:25 am - 10:05 am

BNA

GEG

6h 40m

1 stop

2:40 pm - 5:15 am

GEG

BNA

12h 35m

1 stop

$302Southwest

Sat, May 2 - Tue, May 5

8:00 am - 3:28 pm

BNA

BOI

8h 28m

1 stop

5:00 am - 1:32 pm

BOI

BNA

7h 32m

1 stop

$311United Airlines

Tue, Mar 31 - Wed, Apr 1

7:00 am - 1:21 pm

BNA

JAC

7h 21m

1 stop

2:35 pm - 9:47 pm

JAC

BNA

6h 12m

1 stop

$331United Airlines

Mon, Apr 13 - Tue, Apr 21

5:00 am - 12:41 pm

BNA

JAC

8h 41m

1 stop

1:25 pm - 10:23 pm

JAC

BNA

7h 58m

1 stop

$350American Airlines

Wed, Apr 8 - Wed, Apr 15

7:07 am - 12:40 pm

BNA

JAC

6h 33m

1 stop

1:25 pm - 10:23 pm

JAC

BNA

7h 58m

1 stop

$356American Airlines

Sat, Apr 25 - Wed, Apr 29

5:43 pm - 1:17 pm

BNA

IDA

20h 34m

1 stop

4:03 pm - 6:03 pm

IDA

BNA

25h 00m

1 stop

$399Alaska Airlines

Tue, Jun 2 - Sat, Jun 6

5:43 pm - 1:17 pm

BNA

IDA

20h 34m

1 stop

4:03 pm - 6:03 pm

IDA

BNA

25h 00m

1 stop

$459Alaska Airlines

Fri, May 29 - Sat, Jun 6

American Airlines flights from Nashville to Idaho

Our best American Airlines deals on Nashville to Idaho flight tickets

American Airlines

Apr 18

BNA3:30 pmNashville Intl

9h 11m

2 stops

BOI11:41 pmBoise Air Term. Gowen Fld

Apr 21

BOI2:14 pmBoise Air Term. Gowen Fld

8h 19m

2 stops

BNA11:33 pmNashville Intl

$329

American Airlines

Apr 18

BNA3:30 pmNashville Intl

9h 11m

2 stops

BOI11:41 pmBoise Air Term. Gowen Fld

Apr 21

BOI2:14 pmBoise Air Term. Gowen Fld

8h 19m

2 stops

BNA11:33 pmNashville Intl

$331

American Airlines

Mar 31

BNA1:26 pmNashville Intl

11h 12m

2 stops

BOI11:38 pmBoise Air Term. Gowen Fld

Apr 4

BOI7:00 amBoise Air Term. Gowen Fld

6h 24m

1 stop

BNA2:24 pmNashville Intl

$349

Delta flights from Nashville to Idaho

Our best Delta deals on Nashville to Idaho flight tickets

Delta

Apr 18

BNA7:00 amNashville Intl

10h 14m

1 stop

BOI4:14 pmBoise Air Term. Gowen Fld

Apr 21

BOI7:24 amBoise Air Term. Gowen Fld

7h 39m

1 stop

BNA4:03 pmNashville Intl

$267

Delta

Apr 10

BNA4:58 pmNashville Intl

7h 48m

1 stop

BOI11:46 pmBoise Air Term. Gowen Fld

Apr 14

BOI8:59 amBoise Air Term. Gowen Fld

11h 27m

2 stops

BNA9:26 pmNashville Intl

$272

Delta

Apr 15

BNA7:26 amNashville Intl

9h 23m

2 stops

GEG2:49 pmSpokane

Apr 21

GEG7:38 pmSpokane

10h 06m

2 stops

BNA7:44 amNashville Intl

$277

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Wed 5/6

7:00 am-2:49 pm

1 stop9h 49m

Spokane

Wed 5/20

1:11 pm-12:15 am

1 stop9h 04m

$267

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Fri 4/10

4:58 pm-11:46 pm

1 stop7h 48m

Boise Air Term. Gowen Fld

Tue 4/14

3:44 pm-11:59 pm

1 stop7h 15m

$267

Quickest round-trip

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Wed 4/15

6:15 am-10:15 am

1 stop6h 00m

Spokane

Tue 4/21

2:25 pm-11:05 pm

1 stop6h 40m

$297

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Sat 5/2

5:25 am-10:05 am

1 stop6h 40m

Spokane

Tue 5/5

2:40 pm-5:15 am

1 stop12h 35m

$302

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Tue 3/31

8:00 am-3:28 pm

1 stop8h 28m

Boise Air Term. Gowen Fld

Wed 4/1

5:00 am-1:32 pm

1 stop7h 32m

$311

NashvilleJackson

BNA - JAC

BNAJAC

Nashville Intl

Mon 4/13

7:00 am-1:21 pm

1 stop7h 21m

Jackson Hole

Tue 4/21

2:35 pm-9:47 pm

1 stop6h 12m

$331

NashvilleJackson

BNA - JAC

BNAJAC

Nashville Intl

Wed 4/8

5:00 am-12:41 pm

1 stop8h 41m

Jackson Hole

Wed 4/15

1:25 pm-10:23 pm

1 stop7h 58m

$350

NashvilleJackson

BNA - JAC

BNAJAC

Nashville Intl

Sat 4/25

7:07 am-12:40 pm

1 stop6h 33m

Jackson Hole

Wed 4/29

1:25 pm-10:23 pm

1 stop7h 58m

$356

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 6/2

5:43 pm-1:17 pm

1 stop20h 34m

Idaho Falls Fanning Field

Sat 6/6

4:03 pm-6:03 pm

1 stop25h 00m

$399

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Fri 5/29

5:43 pm-1:17 pm

1 stop20h 34m

Idaho Falls Fanning Field

Sat 6/6

4:03 pm-6:03 pm

1 stop25h 00m

$459

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Nashville to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Idaho?

In general, August is the cheapest month to fly from Nashville to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $310. If you don’t want to visit Idaho in August, then you should wait until September to fly from Nashville, when ticket prices are also cheap, with an average price of $317.

How far in advance should I book a flight to Idaho?

You are more likely to see cheaper flights to Idaho from Nashville when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $383 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Nashville for as low as $330 on momondo.

Can stopping save me money on Nashville to Idaho flights?

You could potentially save up to 78% on your flight if you consider stops on a Nashville to Idaho flight.

Cheap Nashville to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Nashville to Idaho

Fastest flight time	5h 22m
Direct flights	None

The fastest flight from Nashville to Idaho takes 5h 22m

There are no direct flights from Nashville to Idaho. There are no popular flight routes from Nashville to Idaho.

Search flight deals

When did momondo last update prices for flights from Nashville Intl Airport to Idaho?
Prices for flights from Nashville Intl Airport to Idaho were last updated today.
How many operators does momondo search for flights from Nashville Intl Airport to Idaho?
As of March 2026, there are 6 operators available to choose from for flights from Nashville Intl Airport to Idaho.
How old do you have to be to fly from Nashville Intl Airport to Idaho?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Nashville Intl Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Nashville to Idaho

Compare and see reviews for airlines that fly from Nashville to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $130	Free Cancellation	Rating 5.7 3,032 reviews	Search Frontier flights
Delta	PriceFrom $193	Free Cancellation	Rating 7.9 8,292 reviews	Search Delta flights
American Airlines	PriceFrom $217	Free Cancellation	Rating 7.1 11,469 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $237	Free Cancellation	Rating 7.9 12,050 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $270	Free Cancellation	Rating 7.4 9,429 reviews	Search United Airlines flights
Southwest	PriceFrom $274	Free Cancellation	Rating 8.0 4,318 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Nashville to Idaho?

Finding the right flight to Idaho from Nashville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

Can I find flights from Nashville to Idaho with flexible booking policies on momondo?

Yes. All flights to Idaho from Nashville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Nashville to Idaho?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho from Nashville.

I’m not ready to book a flight from Nashville to Idaho right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Idaho from Nashville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.